Home / 3,327.20-4,989.60-1,683.20

Finding the Fourth Proportional to 3,327.20, 4,989.60 and 1,683.20

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Solution

The fourth proportional to 3,327.20, 4,989.60 and 1,683.20 is: 2,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.20 : 4,989.60 = 1,683.20 : x
  2. Step 2: Convert to fraction form
    3,327.20/4,989.60 = 1,683.20/x
  3. Step 3: Cross multiply
    3,327.20x = 4,989.60 × 1,683.20
  4. Step 4: Simplify right side
    3,327.20x = 8,398,494.72
  5. Step 5: Solve for x
    x = 8,398,494.72/3,327.20
  6. Step 6: Final answer
    x = 2,524.19

Related Problems

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.